NOW Foods Supplements, L-Arginine 1,000 mg, Nitric Oxide Precursor*, Amino Acid, 120 Tablets
Now L-Arginine comes in extra strength 1,000 mg tablets and is non-GMO. Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as in DNA synthesis and protein production. It is an important precursor of nitric oxide (NO) and thus plays a role in the dilation of blood vessels. The L-Arginine used in this product is pharmaceutical grade. Natural color variation may occur in this product.
Is Discontinued By Manufacturer : No
Product Dimensions : 2.7 x 2.7 x 4.75 inches; 8.64 ounces
Item model number : 0035
Department : Health and Beauty>Health and Wellness
Date First Available : January 8, 2004
Manufacturer : NOW Sports – Nutrition and Wellness
ASIN : B0013OVX3U
Best Sellers Rank: #3,568 in Health & Household (See Top 100 in Health & Household) #4 in L-Arginine Nutritional Supplements #476 in Sales & Deals
Customer Reviews: 4.5 4.5 out of 5 stars 14,280 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
DOUBLE STRENGTH L-ARGININE: NOW offers this non-GMO, double strength L-Arginine supplement in 1,000 mg tablets.
NITRIC OXIDE PRECURSOR: Arginine plays an important role in the dilation of blood vessels.
CLASSIFICATIONS/CERTIFICATIONS: Non-GMO, Kosher, Soy Free
GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
Packaged in the USA by a family owned and operated company since 1968.
$17.29
Price: $16.52 - $17.29
(as of Nov 11, 2025 03:59:01 UTC – Details)
Now L-Arginine comes in extra strength 1,000 mg tablets and is non-GMO. Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as in DNA synthesis and protein production. It is an important precursor of nitric oxide (NO) and thus plays a role in the dilation of blood vessels. The L-Arginine used in this product is pharmaceutical grade. Natural color variation may occur in this product.
Is Discontinued By Manufacturer : No
Product Dimensions : 2.7 x 2.7 x 4.75 inches; 8.64 ounces
Item model number : 0035
Department : Health and Beauty>Health and Wellness
Date First Available : January 8, 2004
Manufacturer : NOW Sports – Nutrition and Wellness
ASIN : B0013OVX3U
Best Sellers Rank: #3,568 in Health & Household (See Top 100 in Health & Household) #4 in L-Arginine Nutritional Supplements #476 in Sales & Deals
Customer Reviews: 4.5 4.5 out of 5 stars 14,280 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
DOUBLE STRENGTH L-ARGININE: NOW offers this non-GMO, double strength L-Arginine supplement in 1,000 mg tablets.
NITRIC OXIDE PRECURSOR: Arginine plays an important role in the dilation of blood vessels.
CLASSIFICATIONS/CERTIFICATIONS: Non-GMO, Kosher, Soy Free
GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
Packaged in the USA by a family owned and operated company since 1968.
Customers say
Customers find the L-Arginine supplement to be of good quality and effective, noting it helps with blood flow and blood pressure, while providing sustained energy boost and mental alertness. They consider it good value for money. The size of the tablets receives mixed reactions – while some find them helpful for blood flow, others find them too large to swallow comfortably. Customers report mixed experiences with stomach discomfort, with some feeling better while others experience aches and pains.
User Reviews
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